The newly discovered planet orbits a Sun-like star and might support liquid water, but don’t pack your bags just yet.

The nights surrounding June 7 will see Jupiter and Mercury crowd together close to the horizon in the northwestern sky. Stargazers in the U.S. will need a clear horizon to spot the planetary duo ...

Earth. It’s about 10 times more massive than Earth, and orbits in the habitable zone of a Sun-like star 2475 light-years away ...

As astronomers study an exoplanet called K2-18b, conflicting research reveals how difficult it is to find evidence of life ...

Enjoy a close conjunction of the solar system’s smallest and largest planet just days before the Full Strawberry Moon this ...

The discovery of the exoplanet, a super-Earth called Kepler-735c, is all down to something called transit timing variations, ...